| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SERVICES_PROXY_RESOLVER_PROXY_RESOLVER_V8_TRACING_H_ |
| #define SERVICES_PROXY_RESOLVER_PROXY_RESOLVER_V8_TRACING_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "net/base/completion_once_callback.h" |
| #include "net/proxy_resolution/proxy_resolver.h" |
| #include "net/proxy_resolution/proxy_resolver_factory.h" |
| |
| namespace net { |
| class NetLogWithSource; |
| class NetworkIsolationKey; |
| } // namespace net |
| |
| namespace proxy_resolver { |
| |
| class ProxyHostResolver; |
| |
| // ProxyResolverV8Tracing is a non-blocking proxy resolver. |
| class ProxyResolverV8Tracing { |
| public: |
| // Bindings is an interface used by ProxyResolverV8Tracing to delegate |
| // per-request functionality. Each instance will be destroyed on the origin |
| // thread of the ProxyResolverV8Tracing when the request completes or is |
| // cancelled. All methods will be invoked from the origin thread. |
| class Bindings { |
| public: |
| Bindings() {} |
| virtual ~Bindings() {} |
| |
| // Invoked in response to an alert() call by the PAC script. |
| virtual void Alert(const base::string16& message) = 0; |
| |
| // Invoked in response to an error in the PAC script. |
| virtual void OnError(int line_number, const base::string16& message) = 0; |
| |
| // Returns a HostResolver to use for DNS resolution. |
| virtual ProxyHostResolver* GetHostResolver() = 0; |
| |
| // Returns a NetLogWithSource to be passed to the HostResolver returned by |
| // GetHostResolver(). |
| virtual net::NetLogWithSource GetNetLogWithSource() = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Bindings); |
| }; |
| |
| virtual ~ProxyResolverV8Tracing() {} |
| |
| // Gets a list of proxy servers to use for |url|. This request always |
| // runs asynchronously and notifies the result by running |callback|. If the |
| // result code is OK then the request was successful and |results| contains |
| // the proxy resolution information. Request can be cancelled by resetting |
| // |*request|. |
| virtual void GetProxyForURL( |
| const GURL& url, |
| const net::NetworkIsolationKey& network_isolation_key, |
| net::ProxyInfo* results, |
| net::CompletionOnceCallback callback, |
| std::unique_ptr<net::ProxyResolver::Request>* request, |
| std::unique_ptr<Bindings> bindings) = 0; |
| }; |
| |
| // A factory for ProxyResolverV8Tracing instances. The default implementation, |
| // returned by Create(), creates ProxyResolverV8Tracing instances that execute |
| // ProxyResolverV8 on a single helper thread, and do some magic to avoid |
| // blocking in DNS. For more details see the design document: |
| // https://docs.google.com/a/google.com/document/d/16Ij5OcVnR3s0MH4Z5XkhI9VTPoMJdaBn9rKreAmGOdE/edit?pli=1 |
| class ProxyResolverV8TracingFactory { |
| public: |
| ProxyResolverV8TracingFactory() {} |
| virtual ~ProxyResolverV8TracingFactory() = default; |
| |
| virtual void CreateProxyResolverV8Tracing( |
| const scoped_refptr<net::PacFileData>& pac_script, |
| std::unique_ptr<ProxyResolverV8Tracing::Bindings> bindings, |
| std::unique_ptr<ProxyResolverV8Tracing>* resolver, |
| net::CompletionOnceCallback callback, |
| std::unique_ptr<net::ProxyResolverFactory::Request>* request) = 0; |
| |
| static std::unique_ptr<ProxyResolverV8TracingFactory> Create(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ProxyResolverV8TracingFactory); |
| }; |
| |
| } // namespace proxy_resolver |
| |
| #endif // SERVICES_PROXY_RESOLVER_PROXY_RESOLVER_V8_TRACING_H_ |